400 m, Women
| Competition | 2003 Pan American Games |
|---|---|
| Venue |
Santo Domingo
 DOM
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ana Guevara |  MEX |
50.36 | ||
| 🥈 | Hazel-Ann Regis |  GRN |
51.56 | ||
| 🥉 | Aliann Pompey |  GUY |
52.06 |
| Competition | 2003 Pan American Games |
|---|---|
| Venue |
Santo Domingo
DOM
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Ana Guevara | MEX |
50.36 | ||
| 🥈 | Hazel-Ann Regis | GRN |
51.56 | ||
| 🥉 | Aliann Pompey | GUY |
52.06 |